| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 77.4 km |
| Coordinates | -34.394, -179.802 |
| UTC time | 1991-08-21 05:24:27.630 |
Earthquake details
Wednesday, August 21, 1991 Earthquake
The earthquake hit south of the Kermadec Islands on Wednesday, August 21, 1991 at 05:24 UTC with a magnitude of 5.1. The closest known location in the current dataset is Gisborne, about 513.1 km away. The epicenter is located at longitude -179.802 and latitude -34.394.
| Location | south of the Kermadec Islands |
| Country | south of the Kermadec Islands |
| Severity | Strong |
Earthquake map 1991-08-21
Closest countries
The 12 closest cities near the epicenter.
| Gisborne | 513.1 km |
| Tauranga | 515.6 km |
| Rotorua | 547.3 km |
| Whangarei | 555.5 km |
| Manukau | 561.0 km |
| Auckland | 562.4 km |
| Papatoetoe | 562.7 km |
| Hamilton | 581.1 km |
| Napier City | 638.3 km |
| Hastings | 655.1 km |
| New Plymouth | 753.4 km |
| Whanganui | 767.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 6.3
south of the Kermadec Islands
Unknown · 2026-08-05 07:43 UTC
93.4 km
M 4.7
south of the Kermadec Islands
Unknown · 2026-06-20 00:47 UTC
93.3 km
M 4.9
south of the Kermadec Islands
Unknown · 2026-06-19 23:11 UTC
83.6 km
M 4.6
south of the Kermadec Islands
Unknown · 2026-06-12 10:31 UTC
61.8 km
M 4.3
south of the Kermadec Islands
Unknown · 2026-05-29 12:59 UTC
88.1 km
M 4.8
south of the Kermadec Islands
Unknown · 2026-04-23 17:46 UTC
75.5 km
M 4.9
off the east coast of the North Island of New Zealand
Unknown · 2026-03-22 17:06 UTC
88.2 km
M 4.2
off the east coast of the North Island of New Zealand
Unknown · 2026-03-19 01:33 UTC
81.0 km
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